[解題] 國二理化[聲音]
1.年級:國二
2.科目:理化
3.章節:聲音
4.題目:當兩人距離相同,其中一人分別以相同音量大喊於白天和晚上,試問另一人聽
到時的聲速和音量大小的比較?
5.想法:
因為白天氣溫高聲速比較快,這沒有問題。
但因為是相同音量,距離也相同所以覺得聽到音量應該相同,但給的四個
選項都說是晚上聽到音量比白天大,上網搜尋都說因白天外部雜音比較多,
所相對於晚上聽到聲音會比較小,可是沒有比較以科學角度來看嗎?今天兩人處
在只有彼此的空間下,這樣聲音音量會不會一樣?
困惑很久,請大家為我解惑,謝謝!!
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